it's the aarp medicarerx saver plus plan from unitedhealthcare. with this plan, you can get copays as low as a dollar through a preferred network pharmacy like walgreens -- where you'll find 8,000 convenient locations. best of all, this plan has the lowest part d premium in the united states -- only $15 a month. open enrollment ends december 7th. so call today or visit your local walgreens. >>> gordon brown is making his mission to stop what he calls the new slavery. millions of children around the world forced to work at shockingly young ages. the former prime minister is serving as the u.n. envoy for global education. and he joins me now. welcome to you, gordon. >> good evening. >> this is a really disturbing report. 215 million children globally are believed to be at work, of which 15 of the 61 million who don't go to school, are child laborers. you, amid your horror, have come up with some possible solutions. tell me what you think we should be doing about this. >> i think we should ban child labor for young children. and i think we should get